| 204 runs | Derbyshire v Cornwall | County Ground, Derby | a4901 |
| 167 runs | Leicestershire v Ireland | Grace Road, Leicester | a4905 |
| 144 runs | Worcestershire v Oxfordshire | County Ground, New Road, Worcester | a4913 |
| 135 runs | Warwickshire v Durham | Edgbaston, Birmingham | a4912 |
| 120 runs | Gloucestershire v Berkshire | Courage's Cricket Ground, Reading | a4899 |